/Engine/Source/Editor/Kismet/Public/BlueprintEditor.h
Return the class viewer filter associated with the current set of imported namespaces within this editor context. Default is NULL (no filter).
virtual [TSharedPtr](API\Runtime\Core\Templates\TSharedPtr)< class [IClassViewerFilter](API\Editor\ClassViewer\IClassViewerFilter) > GetImportedClassViewerFilter() const